private void Polygons_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
if (e.NewItems != null)
{
foreach (var obj in e.NewItems)
{
AnnotatedPolygon poly = (AnnotatedPolygon)obj;
poly.MouseRightButtonUp += Poly_MouseRightButtonUp;
poly.PreviewTouchUp += Poly_PreviewTouchUp;
CommonCanvas.Children.Insert(1, poly);
Canvas.SetZIndex(poly, 1);
}
}
if (e.OldItems != null)
{
foreach (var obj in e.OldItems)
{
AnnotatedPolygon poly = (AnnotatedPolygon)obj;
RemovePolygon(poly);
}
}
}
private void RemovePolygon(AnnotatedPolygon poly)
{
poly.MouseRightButtonUp -= Poly_MouseRightButtonUp;
poly.PreviewTouchUp -= Poly_PreviewTouchUp;
CommonCanvas.Children.Remove(poly);
}
/// <summary>
/// Binds the View (e.g. IInfoLayerElements that are on the CoodTranformedCanvas) to the
/// </summary>
/// <param name="up">Upper point of the core sample main axis</param>
/// <param name="bottom">Bottom point of the core sample main axis</param>
/// <param name="side">Any point that is on the side of the core sampe</param>
/// <param name="poly">An annotated polygon, that highlights the core sample</param>
/// <param name="vm">View Model that desribes the region</param>
private static void BindInfoLayer(PhotoCalibrationMarker up, PhotoCalibrationMarker bottom, PhotoCalibrationMarker side, AnnotatedPolygon poly, CalibratedRegionVM vm)
{
vm.Up = up.CentreLocation;
vm.Bottom = bottom.CentreLocation;
vm.Side = side.CentreLocation;
var b1 = new Binding(nameof(vm.Up));
b1.Source = vm;
b1.Mode = BindingMode.TwoWay;
up.SetBinding(PhotoCalibrationMarker.CentreLocationLocationProperty, b1);
var b2 = new Binding(nameof(vm.Bottom));
b2.Source = vm;
b2.Mode = BindingMode.TwoWay;
bottom.SetBinding(PhotoCalibrationMarker.CentreLocationLocationProperty, b2);
var b3 = new Binding(nameof(vm.Side));
b3.Source = vm;
b3.Mode = BindingMode.TwoWay;
side.SetBinding(PhotoCalibrationMarker.CentreLocationLocationProperty, b3);
var visConverter = new CollapsedConverter();
var b4 = new Binding(nameof(vm.AreMarkersVisible));
b4.Source = vm;
b4.Converter = visConverter;
up.SetBinding(UIElement.VisibilityProperty, b4);
var b5 = new Binding(nameof(vm.AreMarkersVisible));
b5.Source = vm;
b5.Converter = visConverter;
bottom.SetBinding(UIElement.VisibilityProperty, b5);
var b6 = new Binding(nameof(vm.AreMarkersVisible));
b6.Source = vm;
b6.Converter = visConverter;
side.SetBinding(UIElement.VisibilityProperty, b6);
}